HUT35656A - Process for producing stabile 4,4-dioxy-4-thia-prostacycline derivatives
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Process for producing stabile 4,4-dioxy-4-thia-prostacycline derivatives
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Publication number
HUT35656A
HUT35656AHU15384AHU15384AHUT35656AHU T35656 AHUT35656 AHU T35656AHU 15384 AHU15384 AHU 15384AHU 15384 AHU15384 AHU 15384AHU T35656 AHUT35656 AHU T35656A
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Application filed by Chinoin Gyogyszer Es VegyeszetfiledCriticalChinoin Gyogyszer Es Vegyeszet
Priority to HU15384ApriorityCriticalpatent/HU191216B/en
Publication of HUT35656ApublicationCriticalpatent/HUT35656A/en
Publication of HU191216BpublicationCriticalpatent/HU191216B/en
Organic Low-Molecular-Weight Compounds And Preparation Thereof
(AREA)
Pharmaceuticals Containing Other Organic And Inorganic Compounds
(AREA)
Abstract
Optically active or racemic 4,4-dioxo-4-tia-prostacyclin derivs. of formula (I) are obtd. by condensing a cpd. of formula (III) with a cpd. of formula (IV), heating the resulting cpd. of formula (II) and opt. removing the protective gps. from the hydroxyl and/or hydrolysing the ester gp. and/or forming a salt from the free acid.
HU15384A1984-01-161984-01-16Process for the synthesis of stable 4,4-dioxo-4-thia-prostacycline derivatives
HU191216B
(en)
Process for producing 1-hydroxy-alkylidene-1,1-bisphosphonic acids and intermediates thereof, trimers and tetramers of alkylpyrophosphonate and alkylpyrophosphate as intermediates